/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
<template>
  <m-layout>
    <m-nav slot="top"></m-nav>
    <router-view slot="bottom" v-if="isRenderRouterView"></router-view>
    <div v-if="showLoading" class="loading-mask">
      <div class="sk-circle">
        <div class="sk-circle1 sk-child"></div>
        <div class="sk-circle2 sk-child"></div>
        <div class="sk-circle3 sk-child"></div>
        <div class="sk-circle4 sk-child"></div>
        <div class="sk-circle5 sk-child"></div>
        <div class="sk-circle6 sk-child"></div>
        <div class="sk-circle7 sk-child"></div>
        <div class="sk-circle8 sk-child"></div>
        <div class="sk-circle9 sk-child"></div>
        <div class="sk-circle10 sk-child"></div>
        <div class="sk-circle11 sk-child"></div>
        <div class="sk-circle12 sk-child"></div>
      </div>
      <div class="loading-text">{{loadingText || '加载中...'}}</div>
    </div>
  </m-layout>
</template>

<script>
  import visibility from '@/module/visibility'
  import mLayout from '@/module/components/layout/layout'
  import mNav from '@/module/components/nav/nav'
  export default {
    name: 'app',
    data () {
      return {
        isRenderRouterView: true,
        showLoading: false,
        loadingText: ''
      }
    },
    methods: {
      reload () {
        this.isRenderRouterView = false
        this.$nextTick(() => {
          this.isRenderRouterView = true
        })
      },
      _showLoading (flag, loadingText = '加载中...') {
        this.showLoading = flag
        this.loadingText = loadingText
      }
    },
    mounted () {
      visibility.change((evt, hidden) => {
        if (hidden === false && this.$route.meta.refreshInSwitchedTab) {
          this.reload()
        }
      })
    },
    components: { mLayout, mNav }
  }
</script>
<style scoped>
.loading-mask {
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    overflow: hidden;
    color: #ffffff;
}

.loading-text {
    margin: 20px auto;
    text-align: center;
    font-size: 16px;
}

.sk-circle {
    margin: 0px auto;
    width: 100px;
    height: 100px;
    position: relative;
    margin-top: calc(50vh - 80px);
}
.sk-circle .sk-child {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
}
.sk-circle .sk-child:before {
    content: '';
    display: block;
    margin: 0 auto;
    width: 15%;
    height: 15%;
    background-color: #ffffff;
    border-radius: 100%;
    -webkit-animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
    animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
}
.sk-circle .sk-circle2 {
    -webkit-transform: rotate(30deg);
    -ms-transform: rotate(30deg);
    transform: rotate(30deg);
}
.sk-circle .sk-circle3 {
    -webkit-transform: rotate(60deg);
    -ms-transform: rotate(60deg);
    transform: rotate(60deg);
}
.sk-circle .sk-circle4 {
    -webkit-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    transform: rotate(90deg);
}
.sk-circle .sk-circle5 {
    -webkit-transform: rotate(120deg);
    -ms-transform: rotate(120deg);
    transform: rotate(120deg);
}
.sk-circle .sk-circle6 {
    -webkit-transform: rotate(150deg);
    -ms-transform: rotate(150deg);
    transform: rotate(150deg);
}
.sk-circle .sk-circle7 {
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}
.sk-circle .sk-circle8 {
    -webkit-transform: rotate(210deg);
    -ms-transform: rotate(210deg);
    transform: rotate(210deg);
}
.sk-circle .sk-circle9 {
    -webkit-transform: rotate(240deg);
    -ms-transform: rotate(240deg);
    transform: rotate(240deg);
}
.sk-circle .sk-circle10 {
    -webkit-transform: rotate(270deg);
    -ms-transform: rotate(270deg);
    transform: rotate(270deg);
}
.sk-circle .sk-circle11 {
    -webkit-transform: rotate(300deg);
    -ms-transform: rotate(300deg);
    transform: rotate(300deg);
}
.sk-circle .sk-circle12 {
    -webkit-transform: rotate(330deg);
    -ms-transform: rotate(330deg);
    transform: rotate(330deg);
}
.sk-circle .sk-circle2:before {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}
.sk-circle .sk-circle3:before {
    -webkit-animation-delay: -1s;
    animation-delay: -1s;
}
.sk-circle .sk-circle4:before {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}
.sk-circle .sk-circle5:before {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}
.sk-circle .sk-circle6:before {
    -webkit-animation-delay: -0.7s;
    animation-delay: -0.7s;
}
.sk-circle .sk-circle7:before {
    -webkit-animation-delay: -0.6s;
    animation-delay: -0.6s;
}
.sk-circle .sk-circle8:before {
    -webkit-animation-delay: -0.5s;
    animation-delay: -0.5s;
}
.sk-circle .sk-circle9:before {
    -webkit-animation-delay: -0.4s;
    animation-delay: -0.4s;
}
.sk-circle .sk-circle10:before {
    -webkit-animation-delay: -0.3s;
    animation-delay: -0.3s;
}
.sk-circle .sk-circle11:before {
    -webkit-animation-delay: -0.2s;
    animation-delay: -0.2s;
}
.sk-circle .sk-circle12:before {
    -webkit-animation-delay: -0.1s;
    animation-delay: -0.1s;
}

@-webkit-keyframes sk-circleBounceDelay {
    0%,
    80%,
    100% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
    40% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes sk-circleBounceDelay {
    0%,
    80%,
    100% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
    40% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}
</style>
